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Section 6- Servicing
*Safety
*Lubrication
*F1uid Specifications
*Fluid Life
*Understanding the Analysis Report
*Vacuum Pump Fluid Filter
*Vacuum Pump Air/Fluid Separator Element
*F1uid Scavenging System
*Inlet Air Filter
*Vacuum Pump Shaft Fluid Seal
*Preparation for New Seal Installation
*Seal Installation
Sit!&
!N(_)~IcE!
Maintenance should only be performed by trained
and qualified personnel.
Safety procedures performed while servicing the
vacuum pump are important to both the service
personnel at the time of servicing and to those who may
,.-~
be around the vacuum pump and the system it serves.
Listed below are some procedures, but not all, that
should be followed.
● Wait for the unit to cool before starting service,
temperatures at 120° F can burn the skin, some
surfaces exceed 200° F when the vacuum pump is
working.
● Cleanup fluid spills immediately to prevent
slipping.
● Loosen, but do not remove, flange or component
bolting then carefully pIYapart to be sure there is no
residual pressure or vacuum before removing
bolting.
● Never use a flammable solvent such as gasoline or
kerosene for cleaning air filters or vacuum pump
parts. Safety solvents are available and should be
used in accordance with their instructions.
● Improper assembly will result in damage to the
vacuum pump
or injure personnel. Use the correct
tools, torque bolts to their correct value and utilize
good shop practices.
!CAUTION!
Unusual noise or vibration indicates a problem. Do
/ -.”.
not operate the vacuum pump until the source has
been identified and corrected.
Lubrication
Each unit comes equipped with a fluid level gauge, a
fluid fill opening located on the side of the air/fluid
reservoir and a fluid drain located on the bottom of the
reservoir. Each unit is factory tilled with QUINS~
synthetic fluid or QUINSYN F@ (food grade) synthetic
ftuid.
!J)ANGER!
Hot fluid under pressure will cause severe injury or
death. Do not remove the fluid fill plug nor attempt
to add fluid to the air/lfluid reservoir while the
vacuum pump is in operation or if the airlfluid
reservoir is under pressure. Be sure that the vacuum
~ump control switch and the main power disconnect
switch are in the off position and locked out to
assure that the vacuum pump will not start
automatically or by accident.
QUINSYIW
fluid can be used between 1,000 and 8,000
hours depending upon the application. If the
application has gases or vapors other than dry air,
consult the facto~ before operation. QUINSYN F@
food grade can be used between 2,000 and 4,000 hours
under good operating conditions.
Draining of the fluid should be done while the fluid is
hot to carry away more impurities. It
is strongly
suggested that Quincy’s lubrication analysis be
followed to establish fluid change intervals.
Fluid
should be completely drained from the reservoir and
fluid cooler using drain petcocks.
Fluid Specifications
We recommend that all Quincy Rotary Screw Vacuum
Pumps be filled with QUINSITP synthetic fluid.
QUINS~ is available from any authorized Quincy
distributor. For applications requiring food grade fluid,
we recommend QUINSYN F@. Failure to follow the
above could void your warranty.
Fluid
Life
A free fluid analysis service is provided with the use of
QUINSW fluid. This analysis provides you with
important information regarding the performance of the
fluid and in detecting any special problems which could
arise. Fluid samples should be taken at the time of fluid
filter changes, at 1,000 hour intervals or as indicated on
the analysis report. Fluid sample bottles and labels are
provided with the vacuum pump package at the time of
Page 44
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